STUDIES IN THE FOSSORIAL WASPS. 709 



obsolete rovmclato-carinatus ; facie postica punctulata, svipra 

 distincte aiagulata, obtusaiigula, fere rectangula. Epipygium 

 (",1'igonale, striolatum, margine Isevi. Spinse tib. post, albescentes, 

 squamosse. Alse subbyaliiife venis bruneis et f uscig ; parte apicali 

 nebulosa, 2^ ar. cubit, intvis breviter acute pi-oducta ; 2'"^ vena 

 vecurrens arcuata, obliqua. In alis posticis v, discoidalis longius 

 ultra venulam transverso-discoidalem furcata, Long 14 mill. ; 

 al. 10 mill. (Africa meridionalis)," 



*Eus (Mesa) capensis Lep. 



Tiphia capensis Lep. in Hist, Nat. Insect., Hym. iii. p, 554 

 (1845), $ . _ 



"• Caput nigrum, supra nigro, sxibtus rufo subvillosum. An- 

 tennae nigrfe, articulo primo nigro hirto. Thorax niger rufo 

 subhirtus. Abdomen nigrum, subnudum. Pedes nigri, rufopallido 

 subvillosi, femoribus duobus posticis angulatis compressisque. 

 Alfe rufo-fusc£e, nervuris costaque rufo-fuscis ; squama, nigra, 

 Cellula radialis clausa. Femina." 



" Long. 7 lignes. 



" Cap de Bonne Esperance. Musee de M. Serville." 



The figure shows that this species is au Elia. 



Elis (Mesa) innotata Turn. 



Plesia {Mesa) innotata Turn. Ann. & Mag. Nat. Hist. (8) i, 

 p. 506 (1908), .9. 



Ilab. Loangwa River, N.E, Rhodesia ; S. Nyasaland, 



Eeis (Mesa) saussurei Turn. 



Plesia [Mesa) saitssurei Turn. Trans. Ent. Soc. London, 1910, 

 p. 394, 2 . 



£[ah. Madagascar. 



This is near E. xanthocera, but the median segment is longer in 

 proportion and much more distinctly margined ; the colour of 

 the antennae is also different. 



Elis (Mesa) xanthocera Gerst, 



Myzine xanthocera Gerst. Arch. f. Naturg, xxxvii. p, 353 (J870), 

 2 ; V. d. Decken, Reise in Ost-Afrika, Gliedethiere, p. 339, pi. 14, 

 fig. 5 (1873), $ . 



Plesia {Mesa) xanthocera Sauss, in Grandidier, Hist, MadagaS' 

 car, XX. p. 245 (1892), $ . 



Hah. Howick, Natal ; Zoutpansberg, Transvaal ; Mozambique ; 

 Harar, Abyssinia. 



Elis (Mesa) erythropoda Turn, 



Plesia [Mesa) erythropoda Turn. Ann. & Mag, Nat. Hist, (8) i, 

 p. 505 (1908), $. 

 Hah. Lake Ngami, 

 The scopa beneath the basal joint of the hind tarsus is rather 



